7r7o

Structural highlights

Function

SPB1_YEAST Required for proper assembly of pre-ribosomal particles during the biogenesis of the 60S ribosomal subunit. Specifically methylates the guanosine in position 2922 of the 25S rRNA at the stage of 27S pre-rRNA maturation. Methylates also the uridine in position 2921 in the absence of methylation of this residue guided by snoRNA snR52 at the stage of 35S pre-rRNA maturation.[HAMAP-Rule:MF_03163]^{[1] [2] [3]}

References

1. ↑ Kressler D, Rojo M, Linder P, Cruz J. Spb1p is a putative methyltransferase required for 60S ribosomal subunit biogenesis in Saccharomyces cerevisiae. Nucleic Acids Res. 1999 Dec 1;27(23):4598-608. PMID:10556316
2. ↑ Bonnerot C, Pintard L, Lutfalla G. Functional redundancy of Spb1p and a snR52-dependent mechanism for the 2'-O-ribose methylation of a conserved rRNA position in yeast. Mol Cell. 2003 Nov;12(5):1309-15. PMID:14636587
3. ↑ Lapeyre B, Purushothaman SK. Spb1p-directed formation of Gm2922 in the ribosome catalytic center occurs at a late processing stage. Mol Cell. 2004 Nov 19;16(4):663-9. PMID:15546625 doi:http://dx.doi.org/S1097276504006483